Battery for a portable display device



FIG. 1 is a front perspective view of a battery for a portable displaydevice showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a side view thereof; and,

FIG. 7 is another side view thereof.

The broken lines in the Figures show portions of the battery for aportable display device which form no part of the claimed design.

CLAIM The ornamental design for a battery for a portable display device,as shown and described.